- Almanon, Inc. - http://www.almanon.com
- Precious metal refiners of gold, silver, platinum and palladium.
- Speciality Metals Refining Co. - http://www.specialtymetals.com/
- Refiners of precious metal including gold, silver, platinum, palladium and rhodium.
- Advanced Chemical Company - http://www.advchem.com/
- Specializes in the refining of precious metals generated from electroplating operations and karat gold jewelry manufacturing operations .
- GoldRefiner.com - http://www.goldrefiner.com
- Precious metals refiner specializing in gold, silver, platinum, palladium and rhodium recovery.
- Produits Artistiques Metaux Precieux - http://www.pamp.ch/
- PAMP is an independent refiner of precious metals. Specializes in precious metal products for artistic use.
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